php接口post提交方法 （改良版）

$postData = "reqType=2&caller=15088719619&called=15068722845";
$result = send_post("192.168.0.152","4569","http://192.168.0.152:4569",$postData);
var_dump($result);


function send_post($host,$port,$urlPage,$postData){
//             echo str_pad(" ", 256);
     
    $errno = '';
    $errstr = '';

    $length = strlen($postData);

    $fp = fsockopen($host,$port,$errno,$errstr,120) or exit($errstr."--->".$errno);
    //构 造post请求的头
    $header = "POST $urlPage HTTP/1.1
";
    $header .= "Host:".$host."
";
    $header .= "Referer:".$urlPage."
";
    $header .= "Content-Type:application/x-www-form-urlencoded
";
    $header .= "Content-Length:".$length."
";
    $header .= "Connection:Close

";
    //添加post的字符串
    $header .= $postData."
";
     

    //发送post的数据
    fputs($fp, $header);
    //         $inheader = 1;
     
    $result = array(); //最终输出结果；
    $temp = "";
    $flag = 0;
    $readLen = 128;
    while (!feof($fp)){

        $line = fread($fp,$readLen); // 去除请求包的头只显示页面 的返回数据  (注意fgets  fread($fp,1)最少2个字节起。)
        $temp .= $line;

        /*     echo $line;
            my_flush();
            if($inheader && ($line == "
" || $line == "
"))
                    $inheader = 0;

            if($inheader==0){

                $temp .= trim($line);
            } */
       if(strlen($line)<$readLen){
               break;
       }

        
    }
     
    fclose($fp);

    $result = formatResponeData($temp);
     
    return $result;

}


function formatResponeData($data){
    
    $resultArr = explode("

", $data);
    
    return trim($resultArr[1]);
    
    
}

function my_flush(){
    ob_flush();
    flush();
}